Home / 35,787.32-49,391.05-21,640.26

Finding the Fourth Proportional to 35,787.32, 49,391.05 and 21,640.26

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Solution

The fourth proportional to 35,787.32, 49,391.05 and 21,640.26 is: 29,866.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,787.32 : 49,391.05 = 21,640.26 : x
  2. Step 2: Convert to fraction form
    35,787.32/49,391.05 = 21,640.26/x
  3. Step 3: Cross multiply
    35,787.32x = 49,391.05 × 21,640.26
  4. Step 4: Simplify right side
    35,787.32x = 1,068,835,163.67
  5. Step 5: Solve for x
    x = 1,068,835,163.67/35,787.32
  6. Step 6: Final answer
    x = 29,866.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.